# Is 61 a Prime Number?

Is 61 a prime number? How do you know that 61 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now, what do you think of 61? Is 61 a prime number? * "Yes, 61 is a prime number."* Since 61 has only 2 factors i.e. 1 and 61, it is a prime number. Let's study this in detail.

**Is 61 a prime number? -**Yes**Is 61 a composite number? -**No**Prime Factors of 61 -**61**Is 61 a perfect square? -**No**Factors of 61 -**1, 61

## Is 61 a Prime Number?

Yes, 61 is a prime number. The number 61 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 61 has exactly two factors, i.e. 1 and 61, it is a prime number.

## How is 61 a Prime Number?

To understand whether 61 is composite or prime, it is important to find its factors.

**Factors of 61:** 1, 61

Therefore, we can say that 61 is a prime number since it has only 2 factors.

## Is 61 a Composite Number?

No, since 61 has only two factors, i.e. 1 and 61. In other words, 61 is not a composite number because 61 doesn’t have more than 2 factors.

**Problem Statements: **

Is 61 a Prime Number? | Yes |

Is 61 a Composite Number? | No |

Is 61 a Perfect Cube? | No |

Is 61 a Perfect Square? | No |

Is 61 an Even Number? | No |

Square Root of 61 | 7.810250 |

Cube Root of 61 | 3.936492 |

Multiples of 61 | 61, 122, 183, 244, 305, 366, 427, 488, 549, 610 |

Is 61 an Odd Number? | Yes |

**Fun Facts: **

- A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (107, 109) are twin prime numbers.
- A perfect square (square number) is always a composite number.
- 23 is the smallest prime number having consecutive digits.

**☛ Also Check: **

- Is 119 a Prime Number? - No
- Is 61 a Prime Number? - Yes
- Is 117 a Prime Number? - No
- Is 2 a Prime Number? - Yes
- Is 18 a Prime Number? - No
- Is 499 a Prime Number? - Yes
- Is 167 a Prime Number? - Yes
- Is 701 a Prime Number? - Yes